Finding the Fourth Proportional to 231,881.88, 347,673.06 and 74,057.88
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Solution
The fourth proportional to 231,881.88, 347,673.06 and 74,057.88 is: 111,038.99
Step by Step Solution
- Step 1: Write the proportion equation
231,881.88 : 347,673.06 = 74,057.88 : x - Step 2: Convert to fraction form
231,881.88/347,673.06 = 74,057.88/x - Step 3: Cross multiply
231,881.88x = 347,673.06 × 74,057.88 - Step 4: Simplify right side
231,881.88x = 25,747,929,756.71 - Step 5: Solve for x
x = 25,747,929,756.71/231,881.88 - Step 6: Final answer
x = 111,038.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.